{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{longtable}{l*{4}{c}}
\caption{Registrations Event Study Results Small Window \label{tab:ES6}}\\
\hline\hline\endfirsthead\hline\endhead\hline\endfoot\endlastfoot
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                &\multicolumn{1}{c}{\makecell{No \\ DSCs}}&\multicolumn{1}{c}{\makecell{Documented \\ DSCs}}&\multicolumn{1}{c}{\makecell{Suspected \\ DSCs}}&\multicolumn{1}{c}{\makecell{Potential \\ DSCs}}\\
                &     b/se   &     b/se   &     b/se   &     b/se   \\
\hline
Mean Gas Price ($/Million Btu)&            &            &            &            \\
boundRelYear1\_res&   -0.010   &   -0.020   &   -0.010   &    0.005   \\
                &  (0.022)   &  (0.021)   &  (0.020)   &  (0.022)   \\
boundRelYear2\_res&   -0.010   &   -0.013   &   -0.005   &    0.003   \\
                &  (0.015)   &  (0.015)   &  (0.014)   &  (0.014)   \\
boundRelYear3\_res&   -0.018   &   -0.020*  &   -0.014   &   -0.007   \\
                &  (0.012)   &  (0.011)   &  (0.011)   &  (0.012)   \\
boundRelYear4\_res&   -0.008   &   -0.009   &   -0.005   &   -0.000   \\
                &  (0.010)   &  (0.010)   &  (0.010)   &  (0.010)   \\
boundRelYear5\_res&    0.001   &    0.001   &    0.004   &    0.008   \\
                &  (0.007)   &  (0.007)   &  (0.007)   &  (0.007)   \\
boundRelYear7\_res&    0.018   &    0.019   &    0.016   &    0.013   \\
                &  (0.012)   &  (0.011)   &  (0.013)   &  (0.011)   \\
boundRelYear8\_res&    0.028*  &    0.030*  &    0.025   &    0.019   \\
                &  (0.016)   &  (0.018)   &  (0.017)   &  (0.016)   \\
boundRelYear9\_res&    0.065***&    0.068***&    0.037** &    0.032** \\
                &  (0.022)   &  (0.022)   &  (0.017)   &  (0.015)   \\
boundRelYear10\_res&    0.061** &    0.064***&    0.035** &    0.028*  \\
                &  (0.025)   &  (0.024)   &  (0.016)   &  (0.015)   \\
boundRelYear11\_res&    0.077***&    0.080***&    0.051***&    0.042** \\
                &  (0.026)   &  (0.025)   &  (0.016)   &  (0.019)   \\
boundRelYear12\_res&    0.064** &    0.069** &    0.039   &    0.044*  \\
                &  (0.032)   &  (0.032)   &  (0.026)   &  (0.022)   \\
boundRelYear13\_res&    0.067*  &    0.075** &    0.042   &    0.037   \\
                &  (0.034)   &  (0.035)   &  (0.027)   &  (0.024)   \\
\hline
Observations    &     2424   &     2424   &     2424   &     2424   \\
\hline\hline
\multicolumn{5}{l}{\footnotesize * p \textless 0.1, ** p \textless 0.05, *** p \textless 0.01}\\
\multicolumn{5}{l}{\footnotesize Note: All models include state and year fixed effects as well as state-level time trends.}\\
\multicolumn{5}{l}{\footnotesize All models cluster standard errors  by state.}\\
\end{longtable}
}
